Product Description Feature packed, the SL-20L full sized professional grade, high-intensity, rechargeable flashlight offers 3 microprocessor controlled variable intensity modes, strobe mode and the latest in power LED technology. The combination of rechargeable batteries and the C4 LED results in one of the lowest operating costs of any full size flashlight made. Case is made using machined aircraft-grade aluminum with type II anodized finish. Unbreakable polycarbonate lens with scratch-resistant coating. O-ring sealed. Optimized electronics provides regulated intensity. Deep-dish parabolic reflector produces a tight beam with optimal peripheral illumination to aid in navigation. Features a multi-function, push-button barrel on/off and mode changing switch. One h and ed operation of momentary, variable intensity or strobe mode. This model comes with a rechargeable NiMH battery and 120-volt AC charger. From the Manufacturer Feature packed, the SL-20L full sized professional grade, high-intensity, rechargeable flashlight offers 3 microprocessor controlled variable intensity modes, strobe mode and the latest in power LED technology. The combination of rechargeable batteries and the C4 LED results in one of the lowest operating costs of any full size flashlight made. Case is made using machined aircraft-grade aluminum with type II anodized finish. Unbreakable polycarbonate lens with scratch-resistant coating. O-ring sealed. Optimized electronics provides regulated intensity. Deep-dish parabolic reflector produces a tight beam with optimal peripheral illumination to aid in navigation. Features a multi-function, push-button barrel on/off and mode changing switch. One h and ed operation of momentary, variable intensity or strobe mode. This model comes with a rechargeable NiMH battery and 120-volt AC charger.